Home / 92,431.87-127,557.39-52,146.43

Finding the Fourth Proportional to 92,431.87, 127,557.39 and 52,146.43

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Solution

The fourth proportional to 92,431.87, 127,557.39 and 52,146.43 is: 71,962.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,431.87 : 127,557.39 = 52,146.43 : x
  2. Step 2: Convert to fraction form
    92,431.87/127,557.39 = 52,146.43/x
  3. Step 3: Cross multiply
    92,431.87x = 127,557.39 × 52,146.43
  4. Step 4: Simplify right side
    92,431.87x = 6,651,662,508.62
  5. Step 5: Solve for x
    x = 6,651,662,508.62/92,431.87
  6. Step 6: Final answer
    x = 71,962.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.